Thuban/UI/main.py

#! /usr/bin/python
# Copyright (C) 2001, 2002 by Intevation GmbH
# Authors:
# Jan-Oliver Wagner <[email protected]>
# Bernhard Herzog <[email protected]>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with Thuban for details.

"""
The main entry point for the Thuban GUI. 
"""

__version__ = "$Revision$"

import sys

from application import ThubanApplication

from wxPython.wx import wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_NUMBER,\
                        wxPlatform
import wxproj


def main():
    """Instantiate the application object and run the application"""

    if verify_versions():
        app = ThubanApplication(0)
        if len(sys.argv) > 1:
            app.OpenSession(sys.argv[1])
        app.MainLoop()


def wxCHECK_VERSION(major,minor,release): \
    return (wxMAJOR_VERSION > (major) or \
        (wxMAJOR_VERSION == (major) \
            and wxMINOR_VERSION > (minor)) or \
        (wxMAJOR_VERSION == (major) \
            and wxMINOR_VERSION == (minor) \
            and wxRELEASE_NUMBER >= (release)))

def verify_versions():
    """Check some library versions.

    Print a message containing any libraries which are wrong.
    Return True if everything is OK, otherwise False.

    Specifically, check the following libraries:

        wxPython >= v2.4.0
        Python >= v2.2.1
        proj >= v4.4.5
        gtk > v1.2.0
    """
    
    errors = []

    if not wxCHECK_VERSION(2, 4, 0):
        errors.append("wxPython < 2.4.0")

    if sys.hexversion < 0x0202010f:
        errors.append("Python < 2.2.1")

    #
    # This only tells someone that they COMPILED thuban with the wrong
    # version of proj. If they are running prebuilt binaries 
    # check_version should always return true.
    #
    if not wxproj.check_version(4, 4, 5):
        errors.append("proj < 4.4.5")

    if wxPlatform == "__WXGTK__":
        if not wxproj.check_version_gtk(1, 2, 0):
            errors.append("gtk < 1.2")

    if len(errors) > 0:
        msg = " The following version errors were detected:"

        for e in errors:
            msg += "\n     " + e

#       if use_msg_box:
#           # XXX: use a message box to display the errors
#           pass

        print "\n*******************************************************"
        print msg
        print "*******************************************************\n"

        return False

    return True
1	bh	6	#! /usr/bin/python
2	bh	226	# Copyright (C) 2001, 2002 by Intevation GmbH
3	bh	6	# Authors:
4			# Jan-Oliver Wagner <[email protected]>
5			# Bernhard Herzog <[email protected]>
6			#
7			# This program is free software under the GPL (>=v2)
8			# Read the file COPYING coming with Thuban for details.
9
10			"""
11			The main entry point for the Thuban GUI.
12			"""
13
14			__version__ = "$Revision$"
15
16			import sys
17
18			from application import ThubanApplication
19
20	jonathan	540	from wxPython.wx import wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_NUMBER,\
21			wxPlatform
22			import wxproj
23
24
25	bh	6	def main():
26			"""Instantiate the application object and run the application"""
27	jonathan	540
28			if verify_versions():
29			app = ThubanApplication(0)
30			if len(sys.argv) > 1:
31			app.OpenSession(sys.argv[1])
32			app.MainLoop()
33
34
35			def wxCHECK_VERSION(major,minor,release): \
36			return (wxMAJOR_VERSION > (major) or \
37			(wxMAJOR_VERSION == (major) \
38			and wxMINOR_VERSION > (minor)) or \
39			(wxMAJOR_VERSION == (major) \
40			and wxMINOR_VERSION == (minor) \
41			and wxRELEASE_NUMBER >= (release)))
42
43			def verify_versions():
44			"""Check some library versions.
45
46			Print a message containing any libraries which are wrong.
47			Return True if everything is OK, otherwise False.
48
49			Specifically, check the following libraries:
50
51			wxPython >= v2.4.0
52			Python >= v2.2.1
53			proj >= v4.4.5
54			gtk > v1.2.0
55			"""
56
57			errors = []
58
59			if not wxCHECK_VERSION(2, 4, 0):
60			errors.append("wxPython < 2.4.0")
61
62			if sys.hexversion < 0x0202010f:
63			errors.append("Python < 2.2.1")
64
65			#
66			# This only tells someone that they COMPILED thuban with the wrong
67			# version of proj. If they are running prebuilt binaries
68			# check_version should always return true.
69			#
70			if not wxproj.check_version(4, 4, 5):
71			errors.append("proj < 4.4.5")
72
73			if wxPlatform == "__WXGTK__":
74			if not wxproj.check_version_gtk(1, 2, 0):
75			errors.append("gtk < 1.2")
76
77			if len(errors) > 0:
78			msg = " The following version errors were detected:"
79
80			for e in errors:
81			msg += "\n " + e
82
83			# if use_msg_box:
84			# # XXX: use a message box to display the errors
85			# pass
86
87			print "\n*******************************************************"
88			print msg
89			print "*******************************************************\n"
90
91			return False
92
93			return True
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svn:eol-style	native
svn:keywords	Author Date Id Revision